1. 1) (a) Bohm, A. B. Introduction to Flavonoids, Harwood Academic Publishers, Amsterdam, 1998.
2. (b) Plant Polyphenols 2: Chemistry, Biology, Pharmacology, Ecology (Eds.: Gross, G. G.; Hemingway, R. W.; Yoshida, T.; Branham, S. J.), KLuwer Academic/Plenum Publishers, New York, 1999.
3. (c) Flavonoids: Chemistry, Biochemistry and Applications, (Eds.: Andersen, Ø. M.; Markham, K. R. CRC Press/Taylor & Francis, Boca Raton, 2006.
4. 2) (a) Bruyne, T. D.; Pieters, L.; Witvrouw, M.; Clercq, E. D.; Berghe, D. V.; Vlietinck, A. J. J. Nat. Prod. 1999, 62, 954.
5. (b) Hamauzu, Y.; Yasui, H.; Inno, T.; Kume, C.; Omanyuda, M. J. Agric. Food Chem. 2005, 53, 928.